@book{UBHD-1110063, title={Functioning and legal order}, publisher={Sijthoff}, address={Leiden}, year={1972}, pages={XVII S., S. 305 - 790}, language={eng}, isbn={90-286-0262-3 and 978-90-286-0262-5}, library={UB [Signatur: 74 B 1336::2]}, }